From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-18.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 0225EC433EF for ; Sat, 4 Sep 2021 10:51:46 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id D326B60F22 for ; Sat, 4 Sep 2021 10:51:45 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1351286AbhIDKwp (ORCPT ); Sat, 4 Sep 2021 06:52:45 -0400 Received: from smtp-out1.suse.de ([195.135.220.28]:59774 "EHLO smtp-out1.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235983AbhIDKvP (ORCPT ); Sat, 4 Sep 2021 06:51:15 -0400 Received: from imap2.suse-dmz.suse.de (imap2.suse-dmz.suse.de [192.168.254.74]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-521) server-digest SHA512) (No client certificate requested) by smtp-out1.suse.de (Postfix) with ESMTPS id 4288E22683; Sat, 4 Sep 2021 10:50:13 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.cz; s=susede2_rsa; t=1630752613; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=dbwAVP1gRCr+Fegb8ErzK7CCg9eoi361RZEwCJgWDAE=; b=Lgk0gyGMjGP28untHwJScNULUtuUOxmd06IfHqo0JJYeEjsB13k9plDw0Xf7JzdAwKiqt7 S3HFpF9/HiVZR1BHfN6cwGRnJXDs7gN0fg80j5hhzcYDNF5DndaVlYfQ6p0SoZ982IkalI Fua5UwSsspvYoUemIsIijDKW+7CiZog= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.cz; s=susede2_ed25519; t=1630752613; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=dbwAVP1gRCr+Fegb8ErzK7CCg9eoi361RZEwCJgWDAE=; b=2VZ1ADBE17+h0UlqHzEHIUrcjW9/WkJwDduICcn+ntZsPcdcptC+3gBefM9Jh8iqgQDWDE ecvQrzF/UG0P75AQ== Received: from imap2.suse-dmz.suse.de (imap2.suse-dmz.suse.de [192.168.254.74]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-521) server-digest SHA512) (No client certificate requested) by imap2.suse-dmz.suse.de (Postfix) with ESMTPS id 19A801348A; Sat, 4 Sep 2021 10:50:13 +0000 (UTC) Received: from dovecot-director2.suse.de ([192.168.254.65]) by imap2.suse-dmz.suse.de with ESMTPSA id yPmmBWVPM2HoUQAAMHmgww (envelope-from ); Sat, 04 Sep 2021 10:50:13 +0000 From: Vlastimil Babka To: linux-mm@kvack.org, Christoph Lameter , David Rientjes , Pekka Enberg , Joonsoo Kim Cc: Andrew Morton , linux-kernel@vger.kernel.org, Mike Galbraith , Sebastian Andrzej Siewior , Thomas Gleixner , Mel Gorman , Vlastimil Babka Subject: [PATCH v6 22/33] mm, slub: discard slabs in unfreeze_partials() without irqs disabled Date: Sat, 4 Sep 2021 12:49:52 +0200 Message-Id: <20210904105003.11688-23-vbabka@suse.cz> X-Mailer: git-send-email 2.33.0 In-Reply-To: <20210904105003.11688-1-vbabka@suse.cz> References: <20210904105003.11688-1-vbabka@suse.cz> MIME-Version: 1.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=761; h=from:subject; bh=qMOksVc/ZBsogN3BJEaa8Rh+CsPdbzIGLdMT/tX9B4c=; b=owEBbQGS/pANAwAIAeAhynPxiakQAcsmYgBhM08+UFzmEo89ZxUCUT/1qc1fiI/E3ozWSbtyc8d/ ixSjyGeJATMEAAEIAB0WIQSNS5MBqTXjGL5IXszgIcpz8YmpEAUCYTNPPgAKCRDgIcpz8YmpEOuuB/ 9Ypx+ux9Tl4YipCWRiww2UPEMMGRV4zH3aP1zM5BnQ04Tq4ixOf0TM8V4Ic/b4iH1htQcxPEWixlll mqVHvLye8GDXa0jxV744njG+dllXZ2qmFRzjve70ETmyWLUi45oFsSaj+XU7Sd/NNTEkELK5HwONbu vcNM17bXXwupGvAt0C1XVKPK3G1RXyHGN+r9vQCtj4C1G2Wa0Zuyl50yZyrCT97emuWTSZ1rZosmkE qYu7NCCDjIPqWmOHOHRsqC5OYcEr7kC933u/W6PaGS8wvQ9DBTEYbypFAx0ezzP9exOW/Q5KcFdCXb Vp4gmjuTTkbcmN8tG+TsS/dJvh+qzN X-Developer-Key: i=vbabka@suse.cz; a=openpgp; fpr=A940D434992C2E8E99103D50224FA7E7CC82A664 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org No need for disabled irqs when discarding slabs, so restore them before discarding. Signed-off-by: Vlastimil Babka --- mm/slub.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/mm/slub.c b/mm/slub.c index 1c4bd45d66a1..0a1e048d0db7 100644 --- a/mm/slub.c +++ b/mm/slub.c @@ -2406,6 +2406,8 @@ static void unfreeze_partials(struct kmem_cache *s, if (n) spin_unlock(&n->list_lock); + local_irq_restore(flags); + while (discard_page) { page = discard_page; discard_page = discard_page->next; @@ -2415,7 +2417,6 @@ static void unfreeze_partials(struct kmem_cache *s, stat(s, FREE_SLAB); } - local_irq_restore(flags); #endif /* CONFIG_SLUB_CPU_PARTIAL */ } -- 2.33.0